Question: Who was the partner of Apollo?
Paraphrase: Who was the accomplice of Apollo?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P451 wd:Q37340 . ?sbj wdt:P31 wd:Q22988604 } 
Answer: Psamathe, Hecuba, Cyrene, Antianeira, Coronis, Melia, Dryope, Acacallis, Manto, Evadne, Hypermestra, Rhoeo, Creusa, Amphissa, Queen Rhodope, Thyria, Proclia, Thero, Cia, Philonis, Arsinoe, Rhytia, Parthenope, Chione, Aethusa, Leuconoe, Celaeno, Anatheippe, Chrysothemis, Areia, Chrysorthe, Cleobule, Cyrene